CN205803483U - A kind of marsh gas water sealed cans - Google Patents

Abstract

The utility model discloses a kind of marsh gas water sealed cans, including the tank body sealed, the central control module being arranged on tank body and the Pressure gauge being arranged on tank body, Pressure gauge is for detecting the biogas air pressure in tank body, water intake end and water side it is provided with on tank body, the hydrops of predetermined altitude it is provided with in tank body, biogas generation apparatus is connected with tank body, the outlet of the exhaustor of biogas generation apparatus is arranged on the underwater of hydrops, the top of tank body is provided with methane outlet, central control module is when the air pressure in tank body is higher than predetermined high level, control water side and carry out draining, during with the air pressure in tank body less than predetermined low value, control water intake end and tank body is carried out water filling.Described marsh gas water sealed cans, by central control module, when the air pressure in tank body is more than predetermined value, carry out draining so that the air pressure in tank body keeps within the specific limits, it is achieved superpressure draining pressure release, low pressure water injection supercharging.

Description

A biogas water-sealed tank

technical field

The utility model relates to the technical field of biogas production, in particular to a water-sealed biogas tank.

Background technique

In the existing biogas production process, due to changes in production with time, the speed of biogas production will change. At the same time, because biogas is flammable and explosive gas, water sealing method is generally used for biogas storage, constant pressure and prevention Pipe backfired.

However, in the traditional water sealing method, the biogas generation rate is the same as the biogas outlet rate. When the biogas pressure is too high, the pressure at the biogas outlet will also increase, and the water in the tank will flow back into the biogas generating device. Conversely, the biogas outlet will air pressure drops. That is to say, the biogas pressure in the existing tank changes with the rate of biogas generation, so that the gas pressure at the biogas outlet will also change accordingly, causing the gas pressure at the biogas outlet to be unstable.

Utility model content

The purpose of the utility model is to provide a biogas water-sealed tank, which can automatically release the pressure when the pressure of the biogas is too high.

In order to solve the above technical problems, the embodiment of the utility model provides a biogas water-sealed tank, which includes a sealed tank body, a central control module installed on the tank body, and a pressure gauge installed on the tank body. The meter is used to detect the biogas pressure in the tank. The tank is provided with a water inlet and a water outlet. The water in the tank has a predetermined height. The biogas generating device is connected to the tank. The biogas generating device The outlet of the exhaust pipe is set under the surface of the accumulated water, the upper part of the tank is provided with a biogas outlet, and the central control module is used to control the The water outlet end is used for draining water, and when the air pressure in the tank body is lower than a predetermined low value, the water inlet end is controlled to inject water into the tank body.

Wherein, it also includes an observation window arranged on the side wall of the tank for observing the water level in the tank.

Wherein, it also includes a pressure valve arranged at the water inlet end and/or the water outlet end, and the pressure valve is used to open when the pressure value on both sides of the pressure valve is greater than a preset value.

Wherein, the drain port at the water outlet end is connected to the water storage body at the water inlet end.

Wherein, a communication module is also included, the communication module is connected with the central control module, and is used for sending the data stored in the central control module to the outside.

Wherein, the communication module is a WIFI module.

Wherein, it also includes an alarm device connected to the pressure gauge arranged on the tank body, and the device is used to send out an alarm when the pressure value in the tank body is greater than a preset value.

Wherein, a display device arranged on the tank body is also included, and the display device is connected with the central control module for displaying the water level and pressure in the tank body.

Wherein, the display device is a touch screen display, and the touch screen display includes an input system for inputting control commands to the central control module.

Compared with the prior art, the biogas water-sealed tank provided by the embodiment of the utility model has the following advantages:

The biogas water-sealed tank provided by the embodiment of the utility model includes a sealed tank body, a central control module installed on the tank body, and a pressure gauge installed on the tank body. The pressure gauge is used to detect the The biogas pressure in the body, the tank body is provided with a water inlet end and a water outlet end, the predetermined height of accumulated water in the tank body, the biogas generating device is connected to the tank body, and the outlet of the exhaust pipe of the biogas generating device is set Under the water surface of the stagnant water, a biogas outlet is provided on the upper part of the tank body, and the central control module is used to control the water outlet end to drain water when the air pressure in the tank body is higher than a predetermined high value, and When the air pressure in the tank is lower than a predetermined low value, the water inlet port is controlled to inject water into the tank.

For the biogas water-sealed tank, the central control module controls the water outlet to drain water when the air pressure in the tank is higher than a predetermined high value, and controls the water outlet when the air pressure in the tank is lower than a predetermined low value. The water inlet end injects water into the tank body, so that the air pressure in the tank body is maintained within a certain range, realizing overpressure drainage and pressure relief, and low pressure water injection boosting.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present utility model. Those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural view of a specific embodiment of a biogas water-sealed tank provided by an embodiment of the present invention.

detailed description

As mentioned in the background technology section, the water sealing method in the biogas recovery tank in the prior art tends to cause the water in the tank to flow back into the biogas generating device when the biogas pressure is too high, which affects the normal production of biogas, and the pressure at the outlet of the biogas unstable.

Based on this, the embodiment of the utility model provides a biogas water-sealed tank, which includes a sealed tank body, a central control module arranged on the tank body, and a pressure gauge arranged on the tank body. The pressure gauge is used for Detect the biogas pressure in the tank. The tank is provided with a water inlet and an outlet. The water in the tank has a predetermined height. The biogas generating device is connected to the tank. The exhaust gas of the biogas generating device The outlet of the pipe is set under the water surface of the stagnant water, the upper part of the tank is provided with a biogas outlet, and the central control module is used to control the water outlet when the air pressure in the tank is higher than a predetermined high value. Drainage is performed, and when the air pressure in the tank is lower than a predetermined low value, the water inlet port is controlled to inject water into the tank.

To sum up, in the biogas water-sealed tank provided by the embodiment of the utility model, the central control module controls the water outlet to drain when the air pressure in the tank is higher than a predetermined high value, and the water outlet in the tank When the air pressure is lower than a predetermined low value, the water inlet port is controlled to inject water into the tank body, so that the air pressure in the tank body is maintained within a certain range to realize overpressure drainage and pressure relief, and low-pressure water injection pressurization.

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings.

In the following description, specific details are set forth in order to provide a full understanding of the present invention. However, the utility model can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the utility model. Therefore, the utility model is not limited by the specific implementations disclosed below.

Please refer to FIG. 1 , which is a schematic structural diagram of a specific implementation of the biogas water-sealed tank provided by the embodiment of the present invention.

In a specific manner, the biogas water-sealed tank includes a sealed tank body 10, a central control module disposed on the tank body 10, and a pressure gauge 50 disposed on the tank body 10, the pressure gauge 50 It is used to detect the biogas pressure in the tank body 10. The tank body 10 is provided with a water inlet port 20 and a water outlet port 30. There is accumulated water at a predetermined height in the tank body 10. The biogas generating device and the tank body 10 connection, the outlet of the exhaust pipe 60 of the biogas generating device is set under the water surface of the accumulated water, the upper part of the tank body 10 is provided with a biogas outlet, and the central control module is used in the tank body 10 When the air pressure in the tank body 10 is lower than a predetermined low value, the water outlet port 20 is controlled to inject water into the tank body 10 when the air pressure in the tank body 10 is lower than a predetermined high value.

For the biogas water-sealed tank, the central control module controls the water outlet 30 to drain water when the air pressure in the tank body 10 is higher than a predetermined high value, and the air pressure in the tank body 10 is lower than a predetermined low value. value, the water inlet port 20 is controlled to inject water into the tank body 10, so that the air pressure in the tank body 10 is maintained within a certain range, realizing overpressure drainage and pressure relief, and low pressure water injection boosting.

In this way, when the rate of biogas produced is higher than the discharge rate of the biogas outlet, the phenomenon of air pressure in the tank body 10 will rise, and the water will be drained through the drain end to increase the volume of the biogas gas, so that the pressure in the tank body 10 will increase. On the contrary, when the rate of biogas produced is less than the discharge rate of the biogas outlet, the air pressure in the tank body 10 will rise, and the water will be drained through the drain end to reduce the volume of biogas gas, which will make the tank body 10 The pressure increases to maintain the stability of the biogas pressure in the tank body 10.

In order to observe the water level in the tank body 10 conveniently, the biogas water seal tank further includes an observation window 40 arranged on the side wall of the tank body 10 for observing the water level in the tank body 10 . The utility model does not specifically limit the size and material of the observation window 40 as well as its connection and manner with the tank body 10 .

In order to ensure the timeliness of water injection and drainage and ensure the safety of the tank body 10, the biogas water-sealed tank also includes a pressure valve arranged at the water inlet 20 and/or the water outlet 30, and the pressure valve is used for It is opened when the pressure value on both sides of the pressure valve is greater than a preset value.

In order to save water resources, the outlet of the water outlet 30 is connected to the water storage body of the water inlet 20 .

In order to realize automatic operation and reduce the waste of human resources, the staff can obtain real-time information on the air pressure and water level in the tank body 10 to ensure safe production. Therefore, the biogas water-sealed tank also includes a communication module, which communicates with all The central control module is connected to send the data stored in the central control module to the outside.

Preferably, the communication module is a WIFI module.

In order to further improve the safety of production, the biogas water-sealed tank also includes an alarm device connected to the pressure gauge 50 arranged on the tank body 10, and the device is used for the pressure value in the tank body 10 When the value is greater than the preset value, an alarm is issued. It should be noted that the present invention does not specifically limit the installation position, installation method and specific type of the alarm device.

In order to intuitively obtain the water level and air pressure information in the tank body 10, the alarm device also includes a display device arranged on the tank body 10, the display device is connected with the central control module for displaying the tank body Water level and pressure within 10.

In order to realize the command input of the central control module and save costs, the display device is a touch screen display, and the touch screen display includes an input system for inputting control commands to the central control module.

To sum up, in the biogas water-sealed tank provided by the embodiment of the utility model, the central control module controls the water outlet to drain water when the air pressure in the tank is higher than a predetermined high value, and the water in the tank When the air pressure is lower than a predetermined low value, the water inlet port is controlled to inject water into the tank body, so that the air pressure in the tank body is maintained within a certain range, realizing overpressure drainage and pressure relief, and low pressure water injection pressurization.

The biogas water-sealed tank provided by the utility model has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present utility model, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (9)

1. A biogas water-sealed tank, characterized in that it comprises a sealed tank body, a central control module arranged on the tank body and a pressure gauge arranged on the tank body, and the pressure gauge is used to detect the The biogas pressure in the tank body, the tank body is provided with a water inlet port and a water outlet port, the tank body is provided with a predetermined height of accumulated water, the biogas generating device is connected to the tank body, and the exhaust of the biogas generating device The outlet of the pipe is set under the water surface of the stagnant water, the upper part of the tank is provided with a biogas outlet, and the central control module is used to control the water outlet when the air pressure in the tank is higher than a predetermined high value. Drainage is performed, and when the air pressure in the tank is lower than a predetermined low value, the water inlet port is controlled to inject water into the tank. 2. The biogas water-sealed tank according to claim 1, further comprising an observation window arranged on the side wall of the tank body for observing the water level in the tank body. 3. The biogas water-sealed tank according to claim 2, further comprising a pressure valve arranged at the water inlet end and/or the water outlet end, and the pressure valve is used on both sides of the pressure valve Open when the pressure value is greater than the preset value. 4 . The biogas water-sealed tank according to claim 3 , wherein the drain port at the water outlet end is connected to the water storage body at the water inlet end. 5 . 5 . The biogas water-sealed tank according to claim 4 , further comprising a communication module connected to the central control module for sending the data stored in the central control module to the outside. 6. The biogas water-sealed tank according to claim 5, wherein the communication module is a WIFI module. 7. The biogas water-sealed tank according to claim 6, further comprising an alarm device connected to the pressure gauge arranged on the tank body, and the device is used for the pressure value in the tank body When the value is greater than the preset value, an alarm is issued. 8. The biogas water-sealed tank according to claim 7, further comprising a display device arranged on the tank body, the display device being connected to the central control module for displaying water level and pressure. 9. The biogas water-sealed tank according to claim 8, wherein the display device is a touch screen display, and the touch screen display includes an input system for inputting control instructions to the central control module.